condition mean min max ZT0-3 132.53866666666667 115.805 149.27233333333334 ZT4-7 102.9945 102.9945 102.9945 ZT8-11 85.725 85.725 85.725 ZT12-15 115.9133875 109.002775 122.824 ZT16-19 80.08070000000001 78.7811 81.3803 ZT20-23 0 0 0